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Tier-BPublic-ready6/12/2026

Casein Protein

Exercise performance and recovery is the main area connected here, and any felt benefit should be read together with the human evidence base.

Representative tier calculated from paper evidence that passed the collection audit.

Papers analyzed
20
Caution signal
Low
Representative score
66.8
Exercise performance and recoveryStress Response and Sleep ChangesBlood pressure and vascular health markers

Main benefit evidence

The representative ingredient tier is calculated from these target-level evidence groups.

Exercise performance and recovery
6 studiesTier-B
Exercise performance and recovery
Fairly consistent positive signal in studiesFelt benefit focusSupplement context
Potential benefit studied in Exercise performance and recovery.
Open metrics
>
Exercise performance and recovery
No direct rate reported. Read direction and evidence strength together.
Evidence score
52.3
Score reflects signal strength. Tier also considers paper count, repetition, and study context.
Sleep
5 studiesTier-C
Stress Response and Sleep Changes
Fairly consistent positive signal in studiesFelt benefit focusSupplement context
These findings come from stress response, cortisol, anxiety, or sleep outcomes. They may mix felt benefits with physiological markers.
Open metrics
>
Sleep quality
No direct rate reported. Read direction and evidence strength together.
Evidence score
46.5
Score reflects signal strength. Tier also considers paper count, repetition, and study context.
Blood pressure and vascular health
1 studiesTier-C
Blood pressure and vascular health markers
Some positive signal observedResearch marker focusPatient-group study
This card is closer to a measured biomarker or lab outcome than a directly felt user benefit.
Closer to a research marker than a directly felt benefit.
Open metrics
>
Blood pressure and vascular markers
No direct rate reported. Read direction and evidence strength together.
Evidence score
44.0
Score reflects signal strength. Tier also considers paper count, repetition, and study context.
Glucose and metabolic health
1 studiesTier-C
Glucose and metabolic health markers
Some positive signal observedResearch marker focusSupplement context
This card is closer to a measured biomarker or lab outcome than a directly felt user benefit.
Closer to a research marker than a directly felt benefit.
Open metrics
>
Glucose and metabolic markers
No direct rate reported. Read direction and evidence strength together.
Evidence score
42.5
Score reflects signal strength. Tier also considers paper count, repetition, and study context.
Nutrient status
2 studiesTier-C
Nutrient status markers
Some positive signal observedResearch marker focusSupplement context
This card is closer to a measured biomarker or lab outcome than a directly felt user benefit.
Closer to a research marker than a directly felt benefit.
Open metrics
>
Nutrient status and deficiency markers
No direct rate reported. Read direction and evidence strength together.
Evidence score
40.5
Score reflects signal strength. Tier also considers paper count, repetition, and study context.
Bone and joint health
1 studiesTier-C
Bone, joint, and mobility
Some positive signal observedFelt benefit focusSupplement context
Potential benefit studied in Bone and joint health.
Open metrics
>
Bone, joint, and mobility
No direct rate reported. Read direction and evidence strength together.
Evidence score
40.5
Score reflects signal strength. Tier also considers paper count, repetition, and study context.

Recent research

Updated This Month10 new papers

10 new papers were added in this period. No new risk signal was identified.

What's new

10 new papers were added.No new risk signal was identified.

Most notable recent finding

This is the most meaningful new study in the latest update.
review
Why it mattersIt ranked highest among the newly collected papers for this ingredient in the latest update.
View paper

Study dosage range (reference only)

Lower dose
30
g/day
Higher dose
54
g/day
Dosages used in research papers, shown as reference context.
Not personal dosing instructions, recommendations, or safety limits.

Key cautions to review

Standalone side-effect signals and combination cautions are listed separately.

Caution index
0.6
Caution band: Low
Caution signals
0
Side effects + combos + curated rules
Key precautions
No combination caution signal is clear enough to show right now. This does not guarantee safety.
Standalone side effects, combination cautions, and positive combos are separated below.

Side-effect and combination signals

No standalone side-effect or combination signal is currently clear enough to show from the collected papers. This does not mean there is no concern.

Evidence summaries

Paper IDs and full lists are private. Only study types and summaries are shown.

Key Evidence #1
Public scholarly dataCitation signal: 394
review

Pre- and/or post-exercise nutritional interventions (carbohydrate + protein or protein alone) may operate as an effective strategy to support increases in strength and improvements in body composition, however, the size and timing of a pre-ex exercise meal may

Key Evidence #2
Public scholarly dataCitation signal: 881
review

Supplementation is a practical way of ensuring intake of adequate protein quality and quantity, while minimizing caloric intake, particularly for athletes who typically complete high volumes of training.

Key Evidence #3
Public scholarly dataCitation signal: 101
observational

Consumption of milk containing A1 β-casein was associated with increased gastrointestinal inflammation, worsening of PD3 symptoms, delayed transit, and decreased cognitive processing speed and accuracy, compared with milk containing only A2 type of beta casein

3 more summariesLimited representative sample by study type.
>
Public scholarly dataCitation signal: 76
observational

The influence of the β-casein protein on the gastrointestinal system, endocrine system, nervous system, and cardiovascular system as well as its role in antioxidants and methylation is discussed.

Public scholarly dataCitation signal: 48
observational

A low caloricLeucine-enriched whey protein nutritional supplement provides a higher rise in serum levels of TAA, EAA and leucine compared to casein protein or high caloric products in healthy, elderly subjects.

Public scholarly dataCitation signal: 47
observational

This study shows that carbohydrate ingestion may accelerate, but does not further augment post-prandial incorporation of dietary protein derived amino acids into muscle protein in healthy elderly men.

Casein Protein
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